MPEC 2013-G02 : COMET C/2013 F3 (MCNAUGHT)
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M.P.E.C. 2013-G02 Issued 2013 Apr. 1, 15:37 UT The Minor Planet Electronic Circulars contain information on unusual minor planets and routine data on comets. They are published on behalf of Commission 20 of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. Prepared using the Tamkin Foundation Computer Network MPC@CFA.HARVARD.EDU URL https://www.minorplanetcenter.net/ ISSN 1523-6714 COMET C/2013 F3 (MCNAUGHT) Observations: CK13F030 QC2013 03 29.75780 19 31 29.50 -25 45 08.0 17.5 TqEG002E12 CK13F030 QC2013 03 29.76998 19 31 29.81 -25 44 52.1 16.8 TqEG002E12 CK13F030 QC2013 03 29.79443 19 31 30.26 -25 44 18.9 16.9 TqEG002E12 CK13F030 KC2013 03 30.36746 19 31 42.81 -25 31 27.1 uEG002I48 CK13F030 KC2013 03 30.37018 19 31 42.89 -25 31 22.8 17.4 TuEG002I48 CK13F030 KC2013 03 30.37341 19 31 42.96 -25 31 19.9 uEG002I48 CK13F030 "C2013 03 31.70882 19 32 10.22 -25 00 56.6 17.8 TqEG002Q62 CK13F030 "C2013 03 31.71000 19 32 10.26 -25 00 55.2 17.7 TqEG002Q62 CK13F030 "C2013 03 31.71257 19 32 10.34 -25 00 51.5 17.7 TqEG002Q62 CK13F030 "C2013 03 31.71377 19 32 10.36 -25 00 50.0 17.9 TqEG002Q62 CK13F030 2C2013 03 31.72119 19 32 10.43 -25 00 39.9 17.6 TqEG002Q62 CK13F030 2C2013 03 31.72256 19 32 10.47 -25 00 38.5 17.7 TqEG002Q62 CK13F030 2C2013 03 31.72390 19 32 10.51 -25 00 36.2 18.2 TqEG002Q62 CK13F030 IC2013 03 31.73045 19 32 10.73 -25 00 27.4 17.6 TqEG002Q62 CK13F030 "C2013 03 31.73175 19 32 10.67 -25 00 25.2 17.5 TqEG002Q62 CK13F030 IC2013 03 31.73296 19 32 10.61 -25 00 23.8 16.8 TqEG002Q62 CK13F030 2C2013 03 31.74235 19 32 10.90 -25 00 10.5 17.5 TqEG002Q62 CK13F030 2C2013 03 31.74374 19 32 10.89 -25 00 08.2 17.7 TqEG002Q62 CK13F030 2C2013 03 31.74514 19 32 10.94 -25 00 07.2 17.6 TqEG002Q62 CK13F030 QC2013 03 31.74857 19 32 11.00 -25 00 01.9 16.8 TqEG002E12 CK13F030 QC2013 03 31.75233 19 32 11.01 -24 59 57.3 16.8 TqEG002E12 CK13F030 KC2013 03 31.75815 19 32 11.18 -24 59 49.2 18.9 ToEG002Q62 CK13F030 KC2013 03 31.76129 19 32 11.23 -24 59 44.4 18.5 ToEG002Q62 CK13F030 1C2013 03 31.76629 19 32 11.28 -24 59 37.9 cEG002Q62 CK13F030 1C2013 03 31.76854 19 32 11.33 -24 59 34.8 cEG002Q62 CK13F030 1C2013 03 31.77078 19 32 11.39 -24 59 31.7 17.3 TcEG002Q62 CK13F030 QC2013 03 31.79582 19 32 11.79 -24 58 57.8 17.2 TqEG002E12 CK13F030 QC2013 03 31.79957 19 32 11.87 -24 58 52.4 17.1 TqEG002E12 CK13F030 C2013 04 01.49595 19 32 24.90 -24 42 50.7 17.4 TuEG002G96 CK13F030 C2013 04 01.49709 19 32 24.90 -24 42 49.6 17.4 TuEG002G96 CK13F030 C2013 04 01.49822 19 32 24.90 -24 42 48.1 17.4 TuEG002G96 CK13F030 C2013 04 01.49938 19 32 24.97 -24 42 46.5 17.5 TuEG002G96 Observer details: E12 Siding Spring Survey. Observer R. H. McNaught. Measurers A. Boattini, E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.5-m Uppsala Schmidt + CCD. G96 Mt. Lemmon Survey. Observer R. A. Kowalski. Measurers A. Boattini, E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson, R. A. Kowalski, S. M. Larson, R. H. McNaught, F. C. Shelly. 1.5-m reflector + CCD. I48 Observatorio El Catalejo, Santa Rosa. Observer J. Spagnotto. 0.20-m f/5 reflector + CCD. Q62 iTelescope Observatory, Siding Spring. Observers N. E. Pritchett, M. Urbanik, M. Suzuki. 0.51-m f/6.8 astrograph + CCD + f/4.5 focal reducer. Orbital elements: C/2013 F3 (McNaught) T 2013 May 21.47100 TT MPC q 2.2692116 (2000.0) P Q Peri. 17.09757 -0.03814897 +0.10225957 Node 266.18545 -0.99305362 -0.11468257 e 1.0 Incl. 85.02526 -0.11130661 +0.98812494 From 32 observations 2013 Mar. 29-Apr. 1. Ephemeris: C/2013 F3 (McNaught) Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2 2013 03 02 19 12 42.4 -34 32 40 2.8404 2.4460 57.0 19.9 18.2 ... 2013 03 17 19 24 50.1 -30 08 15 2.5721 2.3882 68.2 22.8 17.8 ... 2013 03 25 19 29 26.6 -27 28 14 2.4224 2.3616 74.6 24.0 17.7 ... 2013 03 31 19 31 55.9 -25 17 10 2.3089 2.3437 79.6 24.8 17.5 2013 04 01 19 32 15.6 -24 54 17 2.2900 2.3409 80.4 24.9 17.5 2013 04 02 19 32 33.7 -24 31 05 2.2710 2.3382 81.3 25.0 17.5 ... 2013 04 08 19 33 48.1 -22 04 47 2.1579 2.3227 86.5 25.5 17.3 ... 2013 04 16 19 33 47.1 -18 28 28 2.0101 2.3050 93.8 25.7 17.1 ... 2013 05 01 19 27 43.9 -10 23 28 1.7559 2.2812 108.2 24.8 16.8 Gareth V. Williams (C) Copyright 2013 MPC M.P.E.C. 2013-G02


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